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Changelog

TODO:

  • Add .learn() to generate a selector for a selected node
  • Add .listen() for easily creating DOM event listeners
  • Add .trigger() for easily triggering DOM events
  • Add .on() for binding callback to a local-only event
  • Add .url() to set the current URL
  • Add .params() to set the current URL parameters
  • Add .save() to save response data to a file
  • Add .add(), .remove() for node creation/deletion?
  • Add .scroll() to scrape infinite scroll pages
  • Add warnings for parser errors?
  • Switch to semantic versioning?

Next major release:

  • Event/error handling
  • Error.code = 404, 'timeout', etc.
  • Error.module = 'http', 'dom', etc.
  • return true = retry, false = stop, anything else = continue
  • Event for discontinued context/data
  • Module system using osmosis.require and modules prefixed with osmosis-
  • Way to trigger DOM
  • Throw unhandled errors?
  • .while() to do things more than once as long as they call next()

0.1.5

  • Fixed bug where .get() without params caused empty query string ('?')
  • Preserve sort order for .follow() results within .set()

0.1.4

get

  • Removed opts and callback arguments

set

  • Supports an array as the root data object
  • Fixed case where nested .find searches the entire document

0.1.3

  • parseHtml uses huge option by default
  • Fixed nested Osmosis instances inside set
  • Update to libxmljs-dom v0.0.5

set

  • Fixed nested Osmosis instances inside set
  • Added tests for nested set data

submit

  • Proper submit button handling
  • Accepts a submit button selector as the first argument
  • Supports submit button attributes: "form", "formaction", "formenctype" and "formmethod"
  • Added tests for submit button handling

0.1.2

  • Update to libxmljs-dom v0.0.4

0.1.1

  • proxy option can now be an array of multiple proxies

proxy

  • Added .proxy() to easily set the proxy configuration option

then

  • If the first argument's name is:
    • "document" - The callback is given the current document
    • "window" - The callback is given the Window object
    • "$" - The callback is given a jQuery object (if available)

Internal changes:

  • Uses 'use strict'
  • Minimize use of array.forEach
  • Added libxml specific memoryUsage monitoring
  • Switched to static libxmljs-dom version

0.1.0

  • Added ignore_http_errors option
  • Added :internal for selecting internal links
  • Added :external for selecting external links
  • Added :domain for searching by domain name
  • Added :path for searching by path

config

  • Configuration options are inherited down the chain

contains

  • Added .contains(string) to discard nodes whose contents do not match string

do

  • Added .do() to call one or more commands using the current context

failure (or fail)

  • Added .failure(selector) to discard nodes that match the given selector

filter (or success)

  • Added .filter(selector) to discard nodes that do not match the given selector

get

  • Accepts a tokenized URL string
    • @{...} - Request info (url, method, params, headers, etc.)
    • %{...} - data object
    • ${...} - context search

headers (or header)

  • Added headers({ key: value }) and header(key, value) to set HTTP headers

match

  • Added .match([selector], RegExp) to discard nodes whose contents do not match

rewrite

  • Added .rewrite(callback) to set a URL rewriting function for the preceding request

Internal changes:

  • promise.args is now an object (used to be an array)
  • HTTP 400 errors are now logged and the requests are retried.

0.0.9

  • DOM and css2xpath functionality have been moved to libxmljs-dom
  • Added keep_data option to retain the original HTTP response
  • Added process_response option for processing data before parsing
  • Added test suite

click

  • Added .click() for interacting with JS-only content

delay

  • Added .delay(n) for waiting n seconds before calling next. Accepts a decimal value.

find

  • Accepts an array of selectors as the first argument

follow

  • Accepts second argument. Boolean (true = follow external links) or a URL rewriting function.

get

  • Accepts function(context, data) as the first argument. The function must return a URL string.

parse

  • Added second argument to associate a base-url to the document

then

  • Added optional done argument

select

  • Added .select for finding elements within the current context

set

  • Replaces previously set values

Internal changes:

  • Enhanced stack counting
  • Added data object ref counting
  • Added domain specific cookie handling
  • Improved stability of deep instance nesting with .set()
  • Osmosis instances operate more independently
  • Request queues are now a single array for each instance
  • Promises must accept and call done if they asynchronously send more than one output context per input context
  • If .then sends more than one output context per input context, then it must accept done() as its last argument and call it after calling next() for the last time.

0.0.8

config

  • Ensure non-default needle options propagate

0.0.7

paginate

  • Added a more intuitive method for pagination

submit

  • Added easy form submission

login

  • Added easy login support

pause, resume, stop

  • Added pause, resume, and stop functionality

find

  • Searches the entire document by default

set

  • Supports innerHTML using :html or :source in selectors
  • Supports deep JSON structures and nested Osmosis instances

data

  • .data(null) clears the data object
  • .data({}) appends keys to data object

dom

  • .dom() is continuing progress and can now run jQuery